Results 11 to 20 of about 287,651 (308)

Investigation of Load Environment and Bending Load Capacities of Aged Prestressed Concrete Sleepers

open access: yesApplied Sciences, 2023
In this study, field measurements of the bending moments of prestressed concrete (PC) sleepers installed on commercial lines were obtained, and numerical analyses to identify the effects of different parameters on their bending moments were conducted ...
Tsutomu Watanabe   +2 more
doaj   +1 more source

Effect of Shield-Tunnel Construction on the Horizontal Response of Adjacent Piles in a Silty Layer

open access: yesBuildings, 2023
This paper studies the problem of shield tunnels laterally passing through piles based on in situ tests and numerical methods. The effects of vertical load, pile–tunnel distance, and tunnel-cover depth on the horizontal displacement and the bending ...
Shuai Zhang   +6 more
doaj   +1 more source

Response of round-hole tubes submitted to pure bending creep and pure bending relaxation

open access: yesAdvances in Mechanical Engineering, 2021
This paper presents experimental study on the response of 6061-T6 aluminum alloy round-hole tubes with five different hole diameters of 2, 4, 6, 8, and 10 mm and four different diameter-to-thickness ratios of 30, 40, 50, and 60 submitted to pure bending ...
Kuo-Long Lee, Bo-You Liu, Wen-Fung Pan
doaj   +1 more source

Impact of Tunneling on Adjacent Piles Based on the Kerr Foundation Model Considering the Influence of Lateral Soil

open access: yesBuildings, 2023
The Kerr foundation model simulates the interaction between piles and soil. Considering the impact of lateral soil displacement on adjacent piles, the lateral displacement and bending moment of the adjacent piles caused by shield tunnel excavation are ...
Haipeng Jia   +3 more
doaj   +1 more source

Reinforced Concrete Semi Circular Deep Beams - Finite Element Investigation

open access: yesDiyala Journal of Engineering Sciences, 2021
This paper represents a parametric study utilizing finite element analysis for twenty-five reinforced concrete semi-circular deep beams. The parameters that were taken into consideration in the current work are radius, height, width, concrete ...
Abdullah A. Talal   +3 more
doaj   +1 more source

Evaluation of large deflection response of circular mesh tubes (2nd report: in case of considering the effect of tube ovalization across the cross-section)

open access: yesNihon Kikai Gakkai ronbunshu, 2023
In this paper, the large deflection response of a circular mesh tube under pure bending was investigated by using FE analysis. In the previous study[Nakamura, T., Ushijima, K., Evaluation of large deflection response of circular mesh tubes, Transaction ...
Toshiki NAKAMURA   +2 more
doaj   +1 more source

Analysis on the hull girder ultimate strength of a bulk carrier using simplified method based on an incremental-iterative approach [PDF]

open access: yes, 2008
The hull girder ultimate strength of a typical bulk carrier is analyzed using a simplified method based on an incremental-iterative approach. First, vertical bending moment is examined by seven different methods.
Gordo   +13 more
core   +1 more source

Consistency aspects of out-of-plane bending, torsion and shear in a quadratic curved beam element [PDF]

open access: yes, 1990
Curved beams in civil engineering applications call for out-of-plane bending and torsion under the action of13; out-of-plane transverse shear loads. The design of a quadratic displacement curved beam element capable of13; representing shear deformation ...
Naganarayana, BP, Prathap, Gangan
core   +1 more source

Research on bending-torsional behaviors of steel-concrete composite beam with corrugated steel webs

open access: yesJournal of Hebei University of Science and Technology, 2022
To further reveal the cracking mechanism and the bending-torsional failure mode caused by the bending-torsional behaviors of the steel-concrete composite beam with corrugated steel webs,model experiments were conducted on five test beams under the ...
Yunsheng LI   +3 more
doaj  

DEM simulation of soil-tool interaction under extraterrestrial environmental effects [PDF]

open access: yes, 2017
In contrast to terrestrial environment, the harsh lunar environment conditions include lower gravity acceleration, ultra-high vacuum and high (low) temperature in the daytime (night-time).
Arroyo Alvarez de Toledo, Marcos   +3 more
core   +2 more sources

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